Pith Number

pith:P77NJOTS

pith:1997:P77NJOTSYPNPOEA2EZXTYZ3JTT

not attested not anchored not stored refs pending

A model for WZ Sge with "standard" values of alpha

J.M. Hameury, J.M. Hure, J.P. Lasota

arxiv:astro-ph/9701164 v1 · 1997-01-22 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P77NJOTSYPNPOEA2EZXTYZ3JTT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:40:18.306092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ffed4ba72c3daf7101a266f3c67699cee3491c7c21eb78f96c3eef5f3efe779

Aliases

arxiv: astro-ph/9701164 · arxiv_version: astro-ph/9701164v1 · doi: 10.48550/arxiv.astro-ph/9701164 · pith_short_12: P77NJOTSYPNP · pith_short_16: P77NJOTSYPNPOEA2 · pith_short_8: P77NJOTS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/P77NJOTSYPNPOEA2EZXTYZ3JTT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7ffed4ba72c3daf7101a266f3c67699cee3491c7c21eb78f96c3eef5f3efe779

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "114b7681975a7579d899433740ae10d6f60992923d2c2b4d33f0bdb3323702b7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-22T13:18:19Z",
    "title_canon_sha256": "d0e544430f54b3f901810ffd843948a687806e1718eae51c8d976ca415729018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701164",
    "kind": "arxiv",
    "version": 1
  }
}